The GE board DS3800HLOA is a Logic Driver Bus Interface Board that belongs to the Mark IV Series. It is preferred by the gas and steam turbines industry. The GE Logic Driver Bus Interface Board is intended for simple installation in the drive. On one end of the board, there is a modular connector, and on the other, there are retention levers. The Interface Board also has 16 red and 1 amber indicator LED that is visible from the front of the board. There are also 8 jumpers and 1 erasable programmable read-only memory (EPROM) module on the board. If you discover that 1 Interface Board is faulty, you can easily replace it with a new board.